Acids and Alkalis
What are the Uses of
(see also the uses of Sulfuric Acid).
Acids are used both in school and in the chemical
(see some examples of the chemical reactions of acids).
Other uses of acids are listed below.
1) Steel used in construction is
treated with acid before being painted.
Dilute sulfuric or hydrochloric acid will remove any surface rust
which would otherwise spread under the painted surface.
Rust remover which is used to repair cars
is dilute phosphoric acid - H3PO4.
2) Acids are used to make fertilizers.
3) Lime scale removers contain
Lime scale is the name given to
the calcium carbonate that forms in kettles and pipes.
The formation of lime scale is also called furring.
To remove lime scale you can try
using lemon juice (citric acid) or vinegar (ethanoic acid) .
powder used in cooking contains tartaric
Uses 2, 3 and 4 are examples of neutralisation.
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